| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,069 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,876 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,851 |
| Asia Capitals Quiz | 0 | - | 4.98 | 698,878 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,988 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,418 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,089 |
| Asia Capital to Country | 0 | - | 4.96 | 127,397 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,912 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,192 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,457 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,720 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,401 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,961 |
| Capitals of the Stans | 0 | - | 4.95 | 27,143 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,073 |
| Random European Capital to Country | 0 | - | 4.98 | 192,149 |
| Random European Country to Capital | 0 | - | 4.93 | 165,902 |
| Random African Capital to Country | 0 | - | 4.97 | 101,363 |
| Random African Country to Capital | 0 | - | 4.95 | 71,759 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,163 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,376 |
| Africa Capitals Quiz | 0 | - | 4.99 | 743,893 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,541 |
| North American Sports Cities | 0 | - | 4.82 | 173,160 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,558 |
| Name a City - European Countries | 0 | - | 4.90 | 66,180 |
| Olympic Host Countries | 0 | - | 4.98 | 201,967 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 313,974 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,159 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,424 |
| Official Cities in the UK | 0 | - | 4.89 | 286,275 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,477 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,496 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,076 |
| Europe Capital to Country | 0 | - | 4.99 | 252,091 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 45,064 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,982 |
| European Capitals by Map | 0 | - | 4.99 | 142,105 |
| African Capitals by Map | 0 | - | 4.99 | 142,189 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,992 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,240 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,240 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,590 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,121 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,879 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,193 |
| European Coastal Capitals | 0 | - | 4.95 | 91,315 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,759 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,807 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,167 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,587 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,714 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,709 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 53,161 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,521 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,170 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,731 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,932 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,226 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,991 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,919 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,088 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,670 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,271 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,034 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,209 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,627 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,992 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,562 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,414 |
| Vietnam War Countries | 0 | - | 4.82 | 94,639 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,488 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,305 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,474 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,643 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,131 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,326 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,778 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,698,797 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,010 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,433 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,941 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,432 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,820 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,266 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,412 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,691 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,324 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,322 |
| Which City in Europe? | 0 | - | 4.83 | 107,893 |
| Which City in the Middle East? | 0 | - | 4.47 | 67,300 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 73,031 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 89,962 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,524 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,608 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,225 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,711 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,848 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,550 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,448 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,669 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 65,032 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,596 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 48,020 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,265 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,853 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,030 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,859 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,782 |
| Which City in Canada? | 0 | - | 4.83 | 57,358 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,882,212 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 58,072 |
| Countries with Major League Baseball Players | 0 | - | 4.62 | 68,367 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,988 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,818 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,523 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 59,405 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,648 |
| Countries Where Cricket is the Most Popular Sport | 0 | - | 4.78 | 67,416 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 83,411 |
| Flags of Countries that Border China | 0 | - | 4.94 | 100,123 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,722 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,144 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,603 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,515 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,207 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 26,142 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,411 |
| Boundary Waters | 0 | - | 4.92 | 88,766 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,412 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,704 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,349 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,969 |
| American Cities by Stadium | 0 | - | 4.02 | 36,593 |
| City by Football Clubs | 0 | - | 4.38 | 138,411 |
| Cities in European History #1 | 0 | - | 4.63 | 134,613 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,700 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,454 |
| European Cities by Map #1 | 0 | - | 4.69 | 55,888 |
| North America Cities by Map | 0 | - | 4.41 | 47,944 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,953 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,217 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,741 |
| Random European City to Country | 0 | - | 4.69 | 118,466 |
| Random Asian City to Country | 0 | - | 4.56 | 44,619 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,487 |
| World Capitals Quiz | 0 | - | 5.00 | 5,106,280 |
| Asian Capital Superlatives - Top 2 | 0 | - | 4.37 | 28,195 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,744 |
| US States and State Capitals | 0 | - | 4.99 | 165,386 |
| Landlocked Countries | 0 | - | 4.99 | 425,908 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,596 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 176,107 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 101,318 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 118,849 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,264 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.13 | 72,562 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,500 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,393,774 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 588,482 |
| Random Asian Countries on a Map | 0 | - | 4.91 | 170,987 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 178,578 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,804,686 |
| NBA Cities Map Quiz | 0 | - | 4.51 | 253,891 |
| Europe Map Quiz | 0 | - | 5.00 | 4,788,326 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 69,950 |
| All Country Flags of the World | 0 | - | 5.00 | 3,714,120 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,730 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,927 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,993 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,404 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,454,187 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,513 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,167 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,984 |
| Countries with Megacities | 0 | - | 4.99 | 267,139 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,862 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,136 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,944 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,013 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,172 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,245 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,433 |
| Biggest Cities in the World | 0 | - | 4.91 | 805,606 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.26 | 20,763 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,038 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,604 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,940 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,684 |
| South American Cities on the Map | 0 | - | 4.52 | 35,551 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,309 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,640 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,801 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,888 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,835 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 139,010 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,210 |
| Random U.S. City to State | 0 | - | 4.45 | 76,918 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,616 |
